Simvastatin-induced dermatomyositis in a 50-year-old man.

Dermatomyositis (DM) is a rare inflammatory autoimmune disease for which an iatrogenic origin has been described in a few cases. The authors report a case of DM occurring after simvastatin intake. A 50-year-old male sought medical attention for a photodistributed rash and considerable muscular weakness present for 3 months.